Sierra 18-4486 Cylinder Head Assembly for 5.7L Vortec (1996 - Up)
Fits: 5.7L V-8 GM Vortec (1996-Up) with press in rocker arm studs with 8 intake manifold mounting bolts, composite valve cover.
- New stainless steel valves, hardened steel exhaust seats, valve springs, valve locks and retainers
- GM cyl. heads utilize high performance screw-in rocker arm studs in place of factory press studs
- Mercruiser Stern Drive
- 938-883297 1
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